<template>
    <div>
        <!--面包屑导航区域-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!--卡片试图-->
        <el-card >
            <!--搜索和添加区域-->
            <el-row :gutter="20">
                <el-col :span="7">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="refshSearchData" >
                        <el-button slot="append" icon="el-icon-search" @click="getUserList()"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
                </el-col>
            </el-row>
            <!--用户列表区域-->
            <el-table :data="userList" border stripe style="width: 100%">
                <!--添加索引列-->
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column prop="username" label="姓名"></el-table-column>
                <el-table-column prop="email" label="邮箱"></el-table-column>
                <el-table-column prop="mobile" label="电话"></el-table-column>
                <el-table-column prop="role_name" label="角色"></el-table-column>
                <el-table-column label="状态">
                    <!--获取当前行的数据 为了获取当前行的状态-->
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row)"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row)"></el-button>
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <el-pagination
                    @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>

        <!--添加用户的对话框-->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
            <!--内容主题区域-->
            <el-form :model="userForm" :rules="userrules" ref="addUserFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="userForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="userForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="userForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="userForm.mobile"></el-input>
                </el-form-item>
            </el-form>
                <!--底部区域-->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUser">修 改</el-button>
            </span>
        </el-dialog>


        <!--修改用户的对话框-->
        <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <!--内容主题区域-->
            <el-form :model="editForm" :rules="editrules" ref="editUserFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="editForm.username" disabled=""></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <!--底部区域-->
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUser">确 定</el-button>
            </span>
        </el-dialog>


    </div>
</template>

<script>
    export default {
        data(){
            // 验证邮箱的规则
            var checkEmail = (rule, value, cb) => {
                // 验证邮箱的正则表达式
                const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

                if (regEmail.test(value)) {
                    // 合法的邮箱
                    return cb()
                }

                cb(new Error('请输入合法的邮箱'))
            }

            // 验证手机号的规则
            var checkMobile = (rule, value, cb) => {
                // 验证手机号的正则表达式
                const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

                if (regMobile.test(value)) {
                    return cb()
                }

                cb(new Error('请输入合法的手机号'))
            }
            return{
                userForm:{
                  username:'',
                  password:'',
                  email:'',
                  mobile:''
                },
                userrules:{
                    username: [
                        { required: true, message: '请输入用户名', trigger: 'blur' },
                        { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                    ],
                    password:[
                        { required: true, message: '请输入密码', trigger: 'blur' },
                        { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                    ],
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机号', trigger: 'blur' },
                        { validator: checkMobile, trigger: 'blur' }
                    ]
                },
                editForm:[],
                editrules:{
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机号', trigger: 'blur' },
                        { validator: checkMobile, trigger: 'blur' }
                    ]
                },

                userList:[],
                total:0,
                //控制对话框的隐藏显示
                addDialogVisible:false,
                //修改用户对话框
                editDialogVisible:false,
                //获取用户列表参数，定义请求参数对象
                queryInfo:{
                    //搜索关键字
                    query:'',
                    //当前页数
                    pagenum:1,
                    pagesize:5
                }

            }
        },
        created() {
            this.getUserList();
        },
        methods:{
            async getUserList(){
               const {data:res} = await this.$http.get('users',{params:this.queryInfo})
                if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
                this.userList = res.data.users
                this.total = res.data.total
                console.log(res)
            },
            refshSearchData(){
                this.getUserList()
            },
            //监听pagesize改变的事件
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize
                this.getUserList()
            },
            //监听页码值改变的事件
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage;
                this.getUserList()
            },
            //监听状态switch改变状态
            async userStateChanged(userInfo){
                const {data:res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}}`)
                if (res.meta.status !== 200) {
                    userInfo.my_state = !userInfo.my_state
                    return this.$message.error('更新状态失败')
                }
                return this.$message.success('更新状态成功')

            },
            //监听Dialog对话框关闭，重置表单
            addDialogClosed(){
                this.$refs.addUserFormRef.resetFields()
            },
            //添加新用户
            addUser(){
                this.$refs.addUserFormRef.validate(async valid =>{
                    // valid返回yes 证明表单预校验验证通过
                    if (!valid) return
                     const {data:res} = await this.$http.post('users',this.userForm)
                      if (res.meta.status !== 201) {
                           this.$message.error(res.meta.msg)
                      }
                     this.$message.success(res.meta.msg)
                     this.addDialogVisible = false
                     this.getUserList()
                })
            },
            async showEditDialog(userInfo){
                this.editDialogVisible = true
                const {data:res} = await this.$http.get(`users/${userInfo.id}`)
                if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
                this.editForm = res.data
            },
            editDialogClosed(){
                this.$refs.editUserFormRef.resetFields()
            },
            editUser(userInfo){
                this.$refs.editUserFormRef.validate(async valid => {
                    if (!valid) return
                    const {data:res} = await this.$http.put(`users/${this.editForm.id}}`,{
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    })
                    if (res.meta.status !== 200) {
                        this.$message.error(res.meta.msg)
                    }
                    this.$message.success(res.meta.msg)
                    this.editDialogVisible = false
                    this.getUserList()
                })
            },
            async removeUserById(userInfo){
              const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err);
              //用户点击确定会返回confirm 字符串
              //   用户点击取消会返回cancel catch捕获错误信息
              // console.log(confirmResult);
                if (confirmResult !== 'confirm') {
                    return this.$message.info('已取消删除')
                }
                const {data:res} = await this.$http.delete('users/'+userInfo.id)
                if (res.meta.status !== 200) {
                    return this.$message.error(res.meta.msg)
                }
                this.$message.success(res.meta.msg)
                this.getUserList()
            }
        }
    }
</script>

<style lang="less" scoped>
    .el-card {
        box-shadow:0 1px 1px rgba(0, 0, 0, 0.15)!important;
    }

</style>